Slender or a meadow
Khiley is a modern phonetic variant of Kylie. It likely derives from the Noongar Australian Aboriginal word 'kiley' meaning a curved returning stick or boomerang, or from the Irish surname O'Kiely, meaning slender.
Less common today
Khiley isn't in the latest US Top 1000. It last peaked at #5,580 in 2010.
US births per 5-year period, 1990βpresent (SSA data).